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Species Sphingomonas azotifigens
Name: Sphingomonas azotifigens Xie and Yokota 2006
Etymology: a.zo.ti.fi’gens. N.L. neut. n. azotum, nitrogen; from French masc. n. azote, nitrogen; from Gr. pref. a-, not (inseparable prefix); from Gr. fem. n. zôê, life; from N.Gr. fem. n. azôê, not sustaining life; L. pres. part. figens, fixing; from L. v. figo, to fix; N.L. fem. part. adj. azotifigens, nitrogen fixing
Pronunciation, gender: … a-zo-ti-FI-gens, feminine
Type strain: CCTCC AB 205007; CIP 109209; DSM 18530; IAM 15283; JCM 21734; NBRC 15497; Y39
Conduct genome-based taxonomy at
16S rRNA gene:
AB033947
Analyse
FASTA
Valid publication:
Xie CH, Yokota A. Sphingomonas azotifigens sp. nov., a nitrogen-fixing bacterium isolated from the roots of Oryza sativa. Int J Syst Evol Microbiol 2006; 56:889-893. 
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IJSEM list:
Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 4 of the IJSEM. Int J Syst Evol Microbiol 2006; 56:1461-1462.
Nomenclatural status: validly published under the ICNP
Taxonomic status: correct name (and explicitly recommended for medical use)
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Synonyms:
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Name Kind Alteristakelama azotifigens (Xie and Yokota 2006) Wang et al. 2025 homotypic synonym, validly published under the ICNP
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Emendations:
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Hördt et al. 2020
Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468. 🇩🇪
Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.
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Hördt et al. 2020
Hordt A, Lopez MG, Meier-Kolthoff JP, Schleuning M, Weinhold LM, Tindall BJ, Gronow S, Kyrpides NC, Woyke T, Goker M. Analysis of 1,000+ Type-Strain Genomes Substantially Improves Taxonomic Classification of Alphaproteobacteria. Front Microbiol 2020; 11:468.
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Notes:
- 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
- 🎓 Name mentioned 12 times in PubMed until 2025-06-04.
- 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.
Parent taxon: Sphingomonas Yabuuchi et al. 1990
Assigned by:
Xie CH, Yokota A. Sphingomonas azotifigens sp. nov., a nitrogen-fixing bacterium isolated from the roots of Oryza sativa. Int J Syst Evol Microbiol 2006; 56:889-893. 🇯🇵
Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/sphingomonas-azotifigensLink copied to clipboard
Record number: 784916
This LPSN page was printed on 2026-01-23 07:11:45